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abnormal

[ab-nawr-muh l]
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adjective
  1. not normal, average, typical, or usual; deviating from a standard: abnormal powers of concentration; an abnormal amount of snow; abnormal behavior.
  2. extremely or excessively large: abnormal profit.

Origin of abnormal

1850–55; ab- + normal; replacing anormal < Medieval Latin anōrmālus, variant of anōmālus anomalous influenced by Latin norma norm
Related formsab·nor·mal·ly, adverbab·nor·mal·ness, nounsu·per·ab·nor·mal, adjectivesu·per·ab·nor·mal·ly, adverb
Can be confusedabnormal subnormal

Synonyms

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1. anomalous, aberrant, irregular, deviant, unnatural, odd. See irregular.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for abnormally

Contemporary Examples

Historical Examples

  • She also saw that Dick was abnormally excited, and suspected that he had been drinking.

    Viviette

    William J. Locke

  • Dilly was a very little woman, with abnormally long and sinewy arms.

    Meadow Grass

    Alice Brown

  • Not a gun will be in sight, and the battery will be abnormally light.

  • In 15.5% we find trochocephalous or abnormally round heads (index 91).

    Criminal Man

    Gina Lombroso-Ferrero

  • On board the Euphrates Wickham had been abnormally interested in Cressley.


British Dictionary definitions for abnormally

abnormal

adjective
  1. not normal; deviating from the usual or typical; extraordinary
  2. informal odd in behaviour or appearance; strange
Derived Formsabnormally, adverb

Word Origin

C19: ab- 1 + normal, replacing earlier anormal from Medieval Latin anormalus, a blend of Late Latin anōmalus anomalous + Latin abnormis departing from a rule
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for abnormally

abnormal

adj.

1835, displaced older abnormous (1742) and rival anormal (1835) under influence of Latin abnormis "deviating from a rule," from ab- "off, away from" (see ab-) + norma "rule" (see norm). The older forms were via Old French anormal (13c.), from Medieval Latin anormalos, from Greek anomalos, from an- "not" + homalos, from homos "same." The Greek word was altered in Latin by association with norma. Related: Abnormally.

Online Etymology Dictionary, © 2010 Douglas Harper

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